[单项选择]

Passage One
America is a country on the move. In unheard of numbers, people of all ages are exercising their way to better health. According to the latest figures, 59 percent of American adults exercise regularly-up 12 percent from just two years ago and more than double the figure of 25 years ago. Even non-exercisers believe they would be more attractive and confident if they were more active.
It is hard not to get the message. The virtues of physical fitness are shown on magazine covers, postage stamps, and television ads for everything from beauty soaps to travel books. Exercise as a part of daily life did not catch on until the late 1960s when research by military doctors began to show the health benefits of doing regular physical exercises. Growing publicity (宣专) for races held in American cities helped fuel a strong interest in the ancient sport of running. Although running has leveled off in recent years as Americans have discovered equally re
A. become very popular
B. stopped being popular
C. reached its lowest level in popularity
D. stopped increasing in popularity

Passage One
America is a country on the move. In unheard of numbers, people of all ages are exercising their way to better health. According to the latest figures, 59 percent of American adults exercise regularly-up 12 percent from just two years ago and more than double the figure of 25 years ago. Even non-exercisers believe they would be more attractive and confident if they were more active.
It is hard not to get the message. The virtues of physical fitness are shown on magazine covers, postage stamps, and television ads for everything from beauty soaps to travel books. Exercise as a part of daily life did not catch on until the late 1960s when research by military doctors began to show the health benefits of doing regular physical exercises. Growing publicity (宣专) for races held in American cities helped fuel a strong interest in the ancient sport of running. Although running has leveled off in recent years as Americans have discovered equally re
A. About 70%.
B. Nearly 60%.
C. Almost 50%.
D. More than 12%.

Passage Two
Country music is an American popular-music style. In its current form, country music is a combination of two separate musical traditions: the styles of the Southeastern states and the music of the Southwest, especially Texas. Both styles influenced and were influenced by the blues and by the black rural dance music.
The first country artists to be widely known achieved popularity in the late 1920s. The music of these performers was heard throughout tile south during the 1920s and 30s on radio programs.
By the 1950s, country music had become a significant force in pop music. Regular appearances on the radio show made stars of many performers. The singer-songwriter Hank Williams wrote four million-seller songs in 1950, seven in 1951, and four more in 1953.
By the 1970s, "some country musicians began combining country music with electric instruments, creating a country rock sound.